FEATURED COIN
The History and Value of the 1871 Prussian 20 Mark Gold Coin
A Symbolic Gold Coin Celebrating German Unification

Image: artists not stated — https://commons.wikimedia.org/wiki/File:EB1911_Numismatics_-_German_20_marks.jpg (Public domain) / Wikimedia Commons — Public domain
Prologue
The 1871 Prussian 20 Mark gold coin is an important historical item issued immediately after the establishment of the German Empire. This coin serves as a symbol of the German unification movement led by Prussia. Its rarity and historical significance are particularly enhanced by its issuance at a time when Germany was rising as an economic and political power in Europe. This 20 Mark gold coin is struck from high-purity gold, featuring a detailed design and exquisite minting craftsmanship. It also holds high potential value for investors, and its historical context and market rarity make it a very attractive piece to add to a collection.
At a Glance
- Country
- Prussia/Germany
- Year
- 1871
- Denomination
- 20 Mark
- Designer
- Unknown (Berlin Mint)
- Diameter
- 22.5 mm
- Weight
- 7.965 g
- Fineness
- .900 gold
- Grade
- NGC MS64
- Mintage
- Unknown
- Condition
- MS
The History, Value, and Issuance Background of the 1871 Prussian 20 Mark Gold Coin
The Political and Economic Context of 1871
The year 1871 was a turning point when Germany was unified and began its new course as an empire. In this year, the German Empire was established under Prussian leadership, guided by Bismarck. Consequently, coinage was positioned as a symbol of the new nation, and this 20 Mark gold coin was issued as part of that initiative. The economic background of the time was a period of growth, driven by military victory and advancing industrialisation, which attracted a great deal of investment. It is thought that the issuance of coinage followed this trend, with the aim of increasing confidence both at home and abroad.

Issuance and Circulation History
The fact that the exact mintage was not recorded increases its rarity in the market. This may be because some were lost in the process of melting down old gold coins to strike new ones. Its circulation extended not only throughout Germany but also across Europe to neighbouring countries. It also circulated through international trade and via travellers, and for a time held high value as a symbol of Prussian prosperity. While there is little precise data on its contemporary monetary value, it is generally presumed to have been very high.

Its Place in German (Prussian) Minting History
This 20 Mark gold coin occupies an important position in the history of Prussian mintage. Compared with coins from before 1871, in particular, it shows a notable evolution in design and metal quality. The Berlin Mint continued to innovate its techniques throughout its history, and the 20 Mark gold coin showcases the culmination of these efforts. A characteristic of this coin is its close connection to the historical context of the era, coupled with changes in the tax system and monetary policy of the time. Furthermore, in later years, as the transition away from the gold standard in coinage progressed, high-purity gold coins like this one became even more scarce.

Design and Production Technology
Details of the Obverse and Reverse Design
The obverse of the 1871 Prussian 20 Mark gold coin features a portrait of Wilhelm I, the King of Prussia at the time. This portrait is very finely and intricately engraved, emphasizing the monarch's dignity. The reverse depicts an eagle, the emblem of the German Empire, which symbolises the empire's strength and unity. While following a classical Prussian style, the design also incorporates a modern sensibility, attesting to the high level of engraving skill of the period. These elements give the coin a sense of historical weight and artistic value for the observer.

Production Technology and the Minting Process
Struck by the Berlin Mint, this coin was produced using the latest technology of the era. Its quality was guaranteed by precise alloying techniques and advanced engraving skills. The dies used were highly wear-resistant and were carefully produced to preserve the delicate design. The coin's fineness is 90% gold, a level that far exceeded the standards of the time. Strict quality control was implemented at every step of the manufacturing process, and the accomplished skills of the mint staff contributed to the coin's high degree of perfection.
Metal Composition and Physical Characteristics
This 20 Mark gold coin is made from a high-purity alloy containing 900/1000 gold. It has a precise weight of 7.965 grams and a diameter of 22.5 millimetres, manufactured to a high degree of precision for the technology of the time. In addition to gold, the alloy contains small amounts of silver and copper, which serves to increase the coin's durability. Its substantial weight and finely finished edge contribute to its high physical value and its continued appeal as a choice specimen. These physical characteristics are also important indicators in the coin's valuation.
Rarity, Grading, and Market Value
Population and Acquisition Difficulty
The exact number of surviving 1871 Prussian 20 Mark gold coins is unknown, but it is believed that only a very limited number circulate on the market. In particular, few have been preserved in high grades, and acquiring them is not easy. These factors highlight its rarity in the collector market, and for collectors seeking the coin, this difficulty in acquisition is also part of its appeal. Furthermore, coupled with its popularity in the market, it often commands high prices.
NGC and PCGS Grading Trends
These coins are commonly evaluated and graded by certification services such as NGC and PCGS. In particular, high-grade examples in MS (Mint State) 63 or higher are scarce and tend to command a premium. Population reports highlight the rarity of these high-grade coins, and certified examples hold an advantage from an investment standpoint. Certification by a professional service is an important factor that allows for confident transactions. With grading standards becoming stricter in recent years, the market value of such officially certified coins is increasing even more.
Major Auction Records
This coin continues to achieve high prices at major auctions. For example, at Heritage Auctions, this 20 Mark gold coin in MS64 condition has reached a sale price of approximately $5,000 or more. At Sotheby's and Stack's, similar high-priced sales have been confirmed, affirming its value. In particular, as a rare item with a historical background, its high valuation at auction houses supports its popularity among collectors. While it has value as a historic piece, its appeal as a tangible asset cannot be overlooked.
Strategies for Collectors and Investors
How to Incorporate into a Collection
This coin fits perfectly into country-specific or historical theme sets as a piece symbolizing German unification after the Franco-Prussian War. It can also form a very meaningful collection when paired with other gold coins of the same period or other coinage of the German Empire. Furthermore, the coin's high artistic merit makes it visually appealing enough to be enjoyed as a standalone display piece. Incorporating this coin as a strategic piece to add depth to a collection can be considered a very worthwhile choice.
Mid- to Long-Term Asset Value and Investment Perspective
The 1871 Prussian 20 Mark gold coin has shown steady price appreciation over the past few decades and is also noted as a hedge against inflation. The balance of supply and demand enhances its scarcity, a factor that supports a firm market price, making it effective for asset diversification. Considering the mid- to long-term price trend, this coin can be expected to show stable growth and is also closely linked to rises in the price of gold. For this reason, its acquisition for investment purposes should by no means be underestimated.
Authentication, Storage, and Acquisition Guide
Identifying Counterfeits and Alterations
To guard against counterfeits of the 1871 Prussian 20 Mark gold coin, the first basic check is to accurately measure its weight. The original weight is 7.965 grams, and any significant deviation from this figure should be a cause for caution. In addition, the design of the edge, the reeding marks, and the sharpness of the inscriptions are important factors for evaluation. The best course of action is to research known counterfeit patterns and, if you notice anything unusual, submit the coin for authentication by an expert service such as NGC or PCGS. This will allow you to add it to your collection with confidence.
Proper Storage and Long-Term Maintenance
For long-term storage of this coin, it is essential to use an acid-free coin holder and maintain an environment with minimal fluctuations in humidity and temperature. It is also important to avoid touching the coin directly with your hands and to use appropriate gloves. Cleaning is strictly prohibited; limiting care to the bare minimum of maintenance will help preserve its value. Considering an insurance policy can provide a measure against unforeseen loss and offer peace of mind for the coin's preservation.
Value & Rarity
The market value of the 1871 Prussian 20 Mark gold coin varies significantly depending on its grade. For example, in NGC grade MS60, prices start at around $3,000, and examples in MS64 or higher can exceed $5,000. At auction, it has shown an upward trend over the past five years, with pieces in excellent condition trading for high prices. Population reports from NGC and PCGS indicate that high-grade examples of this coin are extremely rare. Demand from collectors remains robust, and investors also view its stable popularity as a measure of its value. Compared to similar coins issued during this period, the Prussian 20 Mark gold coin has an advantage in its historical background and rarity. For this reason, it is considered likely to maintain a high asset value in the future. Considering the supply-and-demand balance, this coin is in a market particularly influenced by investment levels, making it a subject of continued interest and an attractive option for investors seeking stability.
In Summary
The Prussian 20 Mark gold coin is an important piece that deeply evokes the history and culture of the German Empire. For collectors, it possesses both artistic value and historical significance as a symbol of the German unification period, making it a standout addition to any collection. Market price trends show that this coin has a stable asset value, making it an excellent medium- to long-term investment. Its rarity is expected to increase, with the value of high-grade examples, in particular, predicted to rise. Owning one is not just holding a piece of history; it is a promising choice that contributes to building wealth.
Where this coin sits
Age of Empire Prussia/Germany 1871
Struck in the same age
Sources & Verification
- Research
- GNJ Numismatic Research Desk
- Last updated
- 20 August 2026
- Image source
- artists not stated — https://commons.wikimedia.org/wiki/File:EB1911_Numismatics_-_German_20_marks.jpg (Public domain)(Wikimedia Commons — Public domain)
Every figure in this article appears in a cited source. We do not publish estimates we cannot attribute. If you find an error, please get in touch. Every correction is logged with its date and what changed.